Bloke from Austria, not having any old, overgrown, mystic, romantic waters and therefore gobbling up words like these. Love the nightingale song!
I went back and caught another five the next day and they really vary from a crucian with barbels to a text book common. Pics in the next reply.
Most probably...nature making her adaptions...but in some established pools only a fraction of carp are feral like... it's puzzling